package com.qf.dao;

/**
 * @Description: 公用常量
 * @Data: 2022/8/31 14:59
 * @Pacakge: com.qf.dao
 * @ClassName: ProductDao
 * @Author: fan
 */
public interface ProductDao {
    void buyProduct(String name);
    void afterSales(String name);
}
